body {
  background-color: #f2f2f2;
}
.nav {
  width: 100%;
  background: #323436;
  padding: 12px 0;
}
.nav .nav-head {
  width: 83.5%;
  margin: 0 auto;
  position: relative;
  min-width: 970px;
}
.nav .nav-head .logo {
  position: absolute;
}
.nav .nav-head .navbar {
  margin-left: 300px;
}
.nav .nav-head .navbar li {
  margin-right: 35px;
  padding-left: 25px;
  position: relative;
}
.nav .nav-head .navbar li .nav-title {
  position: relative;
  padding-right: 12px;
  background: url("../images/down.png") no-repeat center right;
}
.nav .nav-head .navbar li a {
  height: 40px;
  line-height: 40px;
  font-size: 16px;
  color: #fff;
  white-space: nowrap;
}
.nav .nav-head .navbar li dl {
  position: absolute;
  text-align: center;
}
.nav .nav-head .navbar li dl .arrow {
  margin-left: 70px;
  margin-top: -5px;
  display: block;
  width: 0;
  height: 0;
  line-height: 0;
  border-width: 8px;
  border-style: solid;
  border-color: transparent transparent white transparent;
}
.nav .nav-head .navbar li dl a {
  color: #808080;
  font-size: 12px;
  border: none;
  display: block;
}
.nav .nav-head .navbar li dl a:hover {
  color: #404040;
  background-color: #ebebeb;
}
.nav .nav-head .navbar li dl dd {
  margin-top: -60px;
  background-color: white;
  width: 115px;
  border-left: 1px solid #d9d9d9;
  border-right: 1px solid #d9d9d9;
  border-bottom: 1px solid #d9d9d9;
}
.nav .nav-head .navbar li:hover dl {
  top: 35px;
  display: block;
}
.nav .nav-head .navbar li:hover dd {
  margin-top: 0;
}
.nav .nav-head .navbar .fl {
  float: left;
}
.nav .nav-head .navbar .fl dl {
  left: 0px;
}
.nav .nav-head .navbar .hidden {
  display: none;
}
.nav .nav-head .navbar .fr {
  float: right;
  padding-left: 0;
  margin-right: 0;
}
.nav .nav-head .navbar .fr dl {
  right: 0px;
}
.nav .nav-head .navbar .fr a {
  font-size: 12px !important;
}
.nav .nav-head .setting {
  background: url("../images/setting.png") no-repeat center left;
}
.nav .nav-head .user {
  background: url("../images/user.png") no-repeat center left;
}
.nav .nav-head .menu {
  background: url("../images/menu.png") no-repeat center left;
}
.clear:after {
  clear: both;
  content: ".";
  display: block;
  height: 0;
  visibility: hidden;
}
